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Tool Talk Discussion Forum

Re: Compressed air supply line

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Ken Macfarlane

10-03-2012 06:14:38

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Don't listen to this poster, PVC at cold temps is very brittle, the pieces are very hard to extract if they blow up because x-ray translucent. Its only rated fro 289 psi on water not compressed gases!

Yes a break across the threads isn't too exciting, but a longitudinal rupture is bad.

Also, PVC can break down over time when exposed to some other plastics, I can't recall if it gets brittle or goes soft but it will fail at lower pressures.

No reason to use it for air service.

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Stephen Newell

10-03-2012 20:44:31

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 Re: Compressed air supply line in reply to Ken Macfarlane, 10-03-2012 06:14:38  
I guess you believe in man made global warming too.

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Ken Macfarlane

10-05-2012 06:46:56

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 Re: Compressed air supply line in reply to Stephen Newell, 10-03-2012 20:44:31  
Global warming ain't got nothing to do with it. I'm guessing just because you've never had one blow you don't believe it will happen.

Ever left a rope out in the sun and had it get brittle? Or even just had some plastic container sitting on the shelf inside in the shade a few years that you go to pick up and it falls apart? Happens to PVC too.

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